ID   DNAK3_NOSS1             Reviewed;         653 AA.
AC   Q8YUA6;
DT   15-DEC-2003, integrated into UniProtKB/Swiss-Prot.
DT   01-MAR-2002, sequence version 1.
DT   03-AUG-2022, entry version 102.
DE   RecName: Full=Chaperone protein dnaK3;
DE   AltName: Full=HSP70-3;
DE   AltName: Full=Heat shock 70 kDa protein 3;
DE   AltName: Full=Heat shock protein 70-3;
GN   Name=dnaK3; OrderedLocusNames=alr2446;
OS   Nostoc sp. (strain PCC 7120 / SAG 25.82 / UTEX 2576).
OC   Bacteria; Cyanobacteria; Nostocales; Nostocaceae; Nostoc.
OX   NCBI_TaxID=103690;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=PCC 7120 / SAG 25.82 / UTEX 2576;
RX   PubMed=11759840; DOI=10.1093/dnares/8.5.205;
RA   Kaneko T., Nakamura Y., Wolk C.P., Kuritz T., Sasamoto S., Watanabe A.,
RA   Iriguchi M., Ishikawa A., Kawashima K., Kimura T., Kishida Y., Kohara M.,
RA   Matsumoto M., Matsuno A., Muraki A., Nakazaki N., Shimpo S., Sugimoto M.,
RA   Takazawa M., Yamada M., Yasuda M., Tabata S.;
RT   "Complete genomic sequence of the filamentous nitrogen-fixing
RT   cyanobacterium Anabaena sp. strain PCC 7120.";
RL   DNA Res. 8:205-213(2001).
CC   -!- FUNCTION: Acts as a chaperone. {ECO:0000250}.
CC   -!- INDUCTION: By stress conditions e.g. heat shock (By similarity).
CC       {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the heat shock protein 70 family. {ECO:0000305}.
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DR   EMBL; BA000019; BAB74145.1; -; Genomic_DNA.
DR   PIR; AG2111; AG2111.
DR   RefSeq; WP_010996602.1; NZ_RSCN01000002.1.
DR   AlphaFoldDB; Q8YUA6; -.
DR   SMR; Q8YUA6; -.
DR   STRING; 103690.17131538; -.
DR   PRIDE; Q8YUA6; -.
DR   EnsemblBacteria; BAB74145; BAB74145; BAB74145.
DR   KEGG; ana:alr2446; -.
DR   eggNOG; COG0443; Bacteria.
DR   OMA; ISIKRHM; -.
DR   OrthoDB; 161217at2; -.
DR   Proteomes; UP000002483; Chromosome.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0140662; F:ATP-dependent protein folding chaperone; IEA:InterPro.
DR   GO; GO:0051082; F:unfolded protein binding; IEA:InterPro.
DR   Gene3D; 1.20.1270.10; -; 1.
DR   Gene3D; 2.60.34.10; -; 1.
DR   HAMAP; MF_00332; DnaK; 1.
DR   InterPro; IPR043129; ATPase_NBD.
DR   InterPro; IPR012725; Chaperone_DnaK.
DR   InterPro; IPR018181; Heat_shock_70_CS.
DR   InterPro; IPR029048; HSP70_C_sf.
DR   InterPro; IPR029047; HSP70_peptide-bd_sf.
DR   InterPro; IPR013126; Hsp_70_fam.
DR   PANTHER; PTHR19375; PTHR19375; 1.
DR   Pfam; PF00012; HSP70; 1.
DR   SUPFAM; SSF100920; SSF100920; 1.
DR   SUPFAM; SSF53067; SSF53067; 2.
DR   TIGRFAMs; TIGR02350; prok_dnaK; 1.
DR   PROSITE; PS00297; HSP70_1; 1.
DR   PROSITE; PS00329; HSP70_2; 1.
PE   3: Inferred from homology;
KW   ATP-binding; Chaperone; Nucleotide-binding; Phosphoprotein;
KW   Reference proteome; Stress response.
FT   CHAIN           1..653
FT                   /note="Chaperone protein dnaK3"
FT                   /id="PRO_0000078409"
FT   MOD_RES         197
FT                   /note="Phosphothreonine; by autocatalysis"
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   653 AA;  71181 MW;  11743BD4F2F65D61 CRC64;
     MGKVIGIDLG TTNSCVAVLE GGQPIVIANS EGGRTTPSIV GFGKSGDRLV GQLAKRQAVT
     NAENTIFSIK RFIGRRWEDT ETERDRVPYG CVKGRDDTVD VQIRGRNYTP QEISAMILQK
     LKQDAENFLG EAVTQAVITV PAYFTDAQRQ ATKDAGTIAG LEVLRIINEP TAAALAFGLE
     KQDQEQLILV FDLGGGTFDV SILQLGDGVF EVKATSGNNQ LGGDDFDGCV VCWMIERFQQ
     QEKIDLAQDK MALQRLREAA EKAKIELSSM ASTSINLPFI TADETGPKHL EMELSRSKFE
     ELVGQLIEAT IQPMIQALKD ADLKPQDIDK IILVGGSTRI PAVQNALIKF FNGKAPDRSV
     NPDEAVALGA AIQAGVLGGE VDNLLLLDVT PLSLGIETLG EVFTKIIERN TTIPTSKSQI
     FSTAVDGQTS VEIHILQGER TMARDNKSLG KFLLAGIPPA SRGVPQIEVS FEIDVNGILK
     VAAQDKGTGR EQSIRITNTG GLSTNEVERM RQEAEVFAEE DRRRKELVEL KNQADNLLII
     YESTLKDNGD LIGEQIKVLA NEKVAQIQSV MTNPAISLKE FQQCLDDFQQ TLFSIGANVY
     QRANTQTDDE LEVMSDGSSP SDIEHPISGT LIPQFNFDFD DESTAQADYE AID